About NORO K
About Nippon Steel Corp., Tokyo, JPN
About TAKEUCHI M
About Nippon Steel Corp., Chiba-ken, JPN
About MIZUKAMI Y
About Japan Res. and Dev. Center for Metals, Tokyo, JPN
About ISIJ International (Iron and Steel Institute of Japan)
About scrap iron
About dezincification
About Other raw materials of iron and steel making
About スクラップ
About 開発
About 現状